Convert some bools to TRUE/FALSE instead of 1/0. (#11100)

Co-authored-by: Aronai Sieyes <arokha@arokha.com>

code/modules/spells/aoe_turf/conjure/forcewall.dm

@@ -29,10 +29,10 @@
 	name = "FORCEWALL"
 	icon = 'icons/effects/effects.dmi'
 	icon_state = "m_shield"
-	anchored = 1.0
+	anchored = TRUE
 	opacity = 0
-	density = 1
-	unacidable = 1
+	density = TRUE
+	unacidable = TRUE
 	invisibility = 101
 
 /obj/effect/forcefield/bullet_act(var/obj/item/projectile/Proj, var/def_zone)

code/modules/spells/targeted/ethereal_jaunt.dm

@@ -74,8 +74,8 @@
 	icon_state = "nothing"
 	var/canmove = 1
 	var/reappearing = 0
-	density = 0
-	anchored = 1
+	density = FALSE
+	anchored = TRUE
 	var/turf/last_valid_turf
 
 /obj/effect/dummy/spell_jaunt/New(var/location)